PSSL
| Acronym | Definition |
|---|---|
| PSSL | Pro Sound and Stage Lighting |
| PSSL | Pharmacuetical Society of Sri Lanka |
| PSSL | PlayStation Shader Language (video game programming) |
| PSSL | Peripatetic Seminar on Sheaves and Logic (mathematics; various locations) |
| PSSL | Port Skills and Safety Limited (UK) |
| PSSL | Port Skills and Safety Ltd. (UK) |
| PSSL | Puget Sound Sports League |
| PSSL | Power Steering Stop Leak (steering fluid) |